The best in quality and price! It has been playing continuously for 5 years without any loss whatsoever! I highly recommend it!

It was purchased for use as a test power supply for cameras and devices that require 12V DC. I measured with a multimeter and got output voltages of 12.00V - 12.10V. The device visually and as a first impression leaves good impressions, however, in terms of quality, it is below average as in my case the switch (0/1 style of a computer power supply) in the 10 literal times it was used, it no longer stops at position 0, constantly resets to position 1, so the device turns on directly from the socket. I may take a switch from an old computer power supply and replace it, but I consider it a waste of time. The box also has a small light on the outside as a power indicator light, which does not make good contact and flickers with the movement of the cables. Finally, it has a rudimentary lock to lock the door, however, the packaging did not come with any kind of key or tool for locking or unlocking, so it will probably be done manually with a flathead screwdriver. Based on these small problems, I consider the purchase not so reliable for a serious installation and would like to discourage someone from buying this particular product, of course, it does the job as a tester for its price.